X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=blobdiff_plain;f=ginac%2Fnormal.h;h=0c4c264abef381c569e56a99a2fb5464996b518d;hp=bc9b3c2e88e14610b1116475a60dde19eed68cf8;hb=cdddbc6dcdabef73aeb20bb9b81e08dba92a235c;hpb=c28e61da33905ddc69abf893aaffec98aa30d053

diff --git a/ginac/normal.h b/ginac/normal.h
index bc9b3c2e..0c4c264a 100644
--- a/ginac/normal.h
+++ b/ginac/normal.h
@@ -6,7 +6,7 @@
  *  computation, square-free factorization and rational function normalization. */
 
 /*
- *  GiNaC Copyright (C) 1999-2010 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2020 Johannes Gutenberg University Mainz, Germany
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
@@ -31,7 +31,7 @@
 namespace GiNaC {
 
 /**
- * Flags to control the behaviour of gcd() and friends
+ * Flags to control the behavior of gcd() and friends
  */
 struct gcd_options
 {
@@ -85,8 +85,8 @@ extern ex sprem(const ex &a, const ex &b, const ex &x, bool check_args = true);
 extern bool divide(const ex &a, const ex &b, ex &q, bool check_args = true);
 
 // Polynomial GCD in Z[X], cofactors are returned in ca and cb, if desired
-extern ex gcd(const ex &a, const ex &b, ex *ca = NULL, ex *cb = NULL,
-	      bool check_args = true, unsigned options = 0);
+extern ex gcd(const ex &a, const ex &b, ex *ca = nullptr, ex *cb = nullptr,
+              bool check_args = true, unsigned options = 0);
 
 // Polynomial LCM in Z[X]
 extern ex lcm(const ex &a, const ex &b, bool check_args = true);